CVS log for src/sys/arch/mac68k/obio/if_sn_obio.c

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Default branch: MAIN

Sync with HEAD.

sn(4): Add rnd(9) support.

Sync with HEAD.

sync with head.

Split softc/device_t and misc cleanup for sn(4).

sync with HEAD

Merge the ppcoea-renovation branch to HEAD.

This branch was a major cleanup and rototill of many of the various OEA
cpu based PPC ports that focused on sharing as much code as possible
between the various ports to eliminate near-identical copies of files in
every tree.  Additionally there is a new PIC system that unifies the
interface to interrupt code for all different OEA ppc arches.  The work
for this branch was done by a variety of people, too long to list here.

TODO:
bebox still needs work to complete the transition to -renovation.
ofppc still needs a bunch of work, which I will be looking at.
ev64260 still needs to be renovated
amigappc was not attempted.

NOTES:
pmppc was removed as an arch, and moved to a evbppc target.

sync with head.

Sync with head.

Sync with head.

Sync with HEAD.

Switch mac68k's sn(4) Ethernet to MI SONIC driver.

Tested with Apple Ethernet CS Twisted-Pare Card on LC630 by me
and Quadra 650 on-board Ethernet by hauke@.
NuBus based cards and PowerBook variants are still untested.

merge ktrace-lwp.

Sync with HEAD.

de-__P, remove register, ansify, b* -> mem*.

Fix the sync with head I botched.

Sync with HEAD.

Sync with HEAD

__KERNEL_RCSID()

Use PAGE_SIZE rather than NBPG.

Catch up to -current.

sync kqueue with -current; this includes merge of gehenna-devsw branch,
merge of i386 MP branch, and part of autoconf rototil work

Use CFATTACH_DECL().

Declare all cfattach structures const.

Sync with main branch.

Normalize autoconfig output.

Sync w/ -current.

Unfortunately, several changes that are intermingled:
- Add initial IOP support.  ADB doesn't work yet for me, but it's here so
  that others will be encouraged to work on it.  ADB_HW_IOP basically
  is configured as a NOP so that serial consoles will continue to work.
- Roll via1_intr and via2_intr into the intr.c scheme--this also required
  changing rtclock_intr to grovel the stack differently so that hardclock
  gets the right arguments and softclock() doesn't get all reentrant.
- Make via1 interrupts parallel to via2 interrupts--handlers get a pass-
  through pointer and we can register handlers.  Register via1 interrupt
  with intr_establish()--normally level 1, level 6 for A/UX scheme.
- Use intr_establish() to set real via2 interrupt handler instead of the
  hacked function pointer.
- Reorganize adb-direct interrupts so that a function call is removed.
- Implement A/UX interrupts for all Quadras right now.  We may need to
  special case some Quadras, but Linux folks are reporting success on
  several models.
- Fix intrnames to be accurate for the normal, PSC, and A/UX interrupt
  configurations.

defopt INET, NETATALK.

The Performa 58x comm slot SONIC cards behave the same way as in
the LC/Performa 57x.  From Yasuhiro Endoh.

Move on-board I/O and NuBus drivers to their own directories
via repository copy, and make the necessary adjustments to reflect
the moved files.

Update for bus.h changes.

Pull rev 1.13 up from trunk (briggs)

For the LC575/Q630 (comm-slot machines), try to derive the card settings.
Unfortunately, there does not seem to be a good way to determine what
variety of comm-slot card is present in a machine.  There is still an
interrupt issue preventing these cards from working--hopefully that will
be ironed out shortly.

Update marc-pcmcia branch from trunk.

Probe for the SONIC before saying that we found it.  Some early Centris
models (low-end) shipped without ethernet installed.

Update marc-pcmcia branch from trunk.

Make #include directives consistent.  All MD headers are of the form:

	#include <mac68k/{dev,mac68k}/foo.h>

Update from Denny Gentry <denny1@home.com>, PR 3685:

Simplify the way transmit buffers are managed, remove assumptions about
NBPG, simplify sonic_get handling, update snioctl to be more like other
current drivers, and probably a few other changes I've now forgotten about.

If we can't map SONIC register space, just print a diagnostic message and
continue.  Make formatting consistent and KNF while here.

Some updates based on information from Bob Nestor <rnestor@metronet.com>
about his SONIC-T LC/PDS card.

Changes from Denny Gentry <denny1@home.com>:
Change in the way receive buffer areas are handled.  Before we gave
the chip 16 buffers, each 1536 bytes (big enough for one packet).
Now we're handing the chip 8 buffers, each 4 Kbytes, and letting
the chip fit as many packets as it can in each one.  This should
help keep it from running out of buffer space.  Also make some of
the performance-crucial routines inline.  It made no measurable
difference except to make me feel better

Changes from Bob Nestor <rnestor@metronet.com> to get closer to support
for his Apple SONIC-based nubus card.

Changes from me to try to get SONIC's MAC address from MacOS settings if
we can't read the PROM space.

Do not set DCR_SYNC for the C/Q[68]xx systems.
Thanks to Steve Brown <sbrown@best.com> for working with me to find this.

Some new SONIC code from Denny Gentry <denny1@home.com> with a couple of
tweaks and bug fixes by yours truly.

Here's what Denny had to say:

nubus.h:
        - add a drsw entry for my card
	[ I also added a couple of constants for more display cards ]
if_sn.c:
        - allocate sc->space using malloc (Scott wanted this).
        - make csr accesses use NIC_PUT/GET, remove sc->sc_csr.
        - add multicast and IFF_PROMISC support. multicast isn't
                well tested, but I made sure the unicast case still
                works.
        - finish the new arp interface, remove sc->sc_enaddr
if_snreg.h:
        - remove struct sonic_reg
if_snvar.h:
        - add NIC_PUT and NIC_GET macros a la if_ae
        - remove sc_txhead, it isn't used.
if_sn_nubus.c:
        - clean up support for my SE/30 card.
        - Move add_nubus_intr from if_sn.c (to keep if_sn.c MI)
if_sn_obio.c:
        - make Q610, C610, Q650, C650, Q800 use EXBUS.
        - PB500 had a "return" where "break" was intended. PB500
                probably wasn't working.
        - move add_nubus_intr from if_sn.c.
        - add an "explanation" why Apple's ethernet addr is encoded
                in token ring format in the PROM.

Fix bug that would have prevented PB5xx series from detecting the SONIC.
Bug noticed by Denny Gentry.

Make this compile again.  XXX - save ethernet address in softc until multicast is supported.

On request from Allen Briggs, converted this to new ARP
system. Somebody should actually test if this compiles (and works) on
Mac68k... I only carefully checked cvs diff -u.

SONIC driver--originally from pica.  Much work done by Dennis Gentry and
Takeshi Yanagisawa to get it working.  Some minor hacking by me here and
there.